Boat propulsion apparatus
Boat propulsion apparatus
Device for moving an object in relation to a fluid
Fin drive for a watercraft
Fin propulsion boat
Finboard exercising apparatus
Human-powered flapping hydrofoil craft
Man-powered boat propulsion device
Marine propulsion unit
Oscillating appendage for fin propulsion
Oscillating-foil type underwater propulsor with a joint
Propulsion device for a watercraft
Recreational water craft
Rocker type propulsion mechanism for a boat
Sailboard with reciprocating fins and umbrella type rotary paraf
Sculling apparatus for small boats
Sculling boat assembly
Self-propelled boat
Self-propelled watercraft
Steerable surfboard